m3g06
Class Image2DTypesSample

java.lang.Object
  javax.microedition.lcdui.Displayable
      javax.microedition.lcdui.Screen
          javax.microedition.lcdui.Form
              m3g06.Image2DTypesSample

All Implemented Interfaces:

Sample

public class Image2DTypesSample
extends javax.microedition.lcdui.Form
implements Sample

Loads PNG images with different color types and transparency combinations by using Loader.load() and displays the resulting Image2D pixel format.

Author:

Claus Hoefele

Field Summary

private static java.lang.String	IMAGE_NAME_BASE Prefix for image names.
private static java.lang.String	IMAGE_NAME_END Postfix for image names.
private static java.util.Hashtable	IMAGE2D_TYPES Maps Image2D types to a string representation.
private static java.lang.String[][]	PNG_TYPES List of PNG test images and their string representation.

Constructor Summary

Image2DTypesSample()
Initializes sample and loads images.

Method Summary

void	destroy() Destroys the sample.
void	init() Initializes the sample.
private java.lang.String	testImage(java.lang.String imageName) Fetches an image with Loader.load() and returns the Image2D type as a string representation.

Methods inherited from class javax.microedition.lcdui.Form

append, append, append, delete, deleteAll, get, getHeight, getWidth, insert, set, setItemStateListener, size

Methods inherited from class javax.microedition.lcdui.Displayable

addCommand, getTicker, getTitle, isShown, removeCommand, setCommandListener, setTicker, setTitle, sizeChanged

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

IMAGE_NAME_BASE

private static final java.lang.String IMAGE_NAME_BASE

Prefix for image names.

See Also:

Constant Field Values

PNG_TYPES

private static final java.lang.String[][] PNG_TYPES

List of PNG test images and their string representation.

IMAGE_NAME_END

private static final java.lang.String IMAGE_NAME_END

Postfix for image names.

See Also:

Constant Field Values

IMAGE2D_TYPES

private static final java.util.Hashtable IMAGE2D_TYPES

Maps Image2D types to a string representation.

Constructor Detail

Image2DTypesSample

public Image2DTypesSample()

Initializes sample and loads images.

Method Detail

init

public void init()

Initializes the sample.

Specified by:

init in interface Sample

testImage

private java.lang.String testImage(java.lang.String imageName)

Fetches an image with Loader.load() and returns the Image2D type as a string representation.

Parameters:

imageName - name and path of the image to load.

Returns:

Image2D type as string.

destroy

public void destroy()

Destroys the sample.

Specified by:

destroy in interface Sample